Notes Switch travel diagram
  Contact closed
  Contact open
  Setting range
  Break point
  Positive opening sequence/- angle
VS  adjustable range of NO contact
  adjustable range of NC contact
N   after travel
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Safety sensors  ->  BNS-B20  ->  BNS-B20-12z-ST-L
• Thermoplastic enclosure
• Non-contact safety switch
• Does not protrude into the door opening
• 119,5 mm x 140 mm x 43,3 mm
• Substitutes door-handle and safety switch, no further door fittings required
• Modern and symmetric design
• Tamper-proof because of integral coded safety sensor
• Ergonomic operation
• Suitable for hinged and sliding guards
• No protruding actuator
• Simple mounting with 4 Screws
• Connector M12 x 1, 8-pole

 
Preferred typ
 
Ordering details
 
Product type descriptionBNS-B20-12Z-ST-L
Article number101186261
EAN Code4030661326818
eCl@ss27-27-24-02
 
Approval
 
Approval BG
USA/CAN
 
Classification
 
StandardsEN ISO 13849-1
B10d Normally-closed contact/Normally open contact (NC/NO)25.000.000
- noticeat max. 20% contact load
Mission time20 Years
notice
 
Global Properties
 
Permanent lightBNS-B20
StandardsIEC 60947-5-3, BG-GS-ET-14
Compliance with the Directives (Y/N) Yes
Materials
- Material of the housingsPlastic, glass-fibre reinforced thermoplastic
Weight80
Coding available (Y/N)Yes
Monitoring function of downstream devices (Y/N)No
Prerequisite evaluation unit
Recommended safety-monitoring module
Recommended actuatorBNS-B20-B01
 
Mechanical data
 
Design of electrical connectionConnector M12
AWG-Number
mechanical installation conditionsquasi-flush
Ensured switch distance ON Sao0 mm
Ensured switch distance OFF Sar22 mm
Type of actuationMagnet
restistance to shock30 g / 11 ms
Resistance to vibration10 … 55 HZ, Amplitude 1 mm
Latching force100 N
Door hingeleft
Max. door weight
- sliding guard3
- hinged guard5
 
Ambient conditions
 
Ambient temperature
- Min. environmental temperature−25 °C
- Max. environmental temperature+70 °C
Storage and transport temperature
- Min. Storage and transport temperature−25 °C
- Max. Storage and transport temperature+70 °C
Protection classIP67
 
Electrical data
 
Integrated Safety monitoring module available (Y/N)No
Cross circuit/short circuit recognition possible (Y/N)Yes
Voltage typeVDC
Switch frequencymax. 5 HZ
Switching voltagemax. 24 VDC
Switching currentmax. 240 mA
Switching capacitymax. 3 W
 
Outputs
 
Design of control output
Number of shutters1
Number of openers2
Design of output signal switching device
 
Electrical data - Safety outputs
 
Number of secure semi-conductor outputs0
Number of secure outputs with contact2
 
Electrical data - Diagnostic output
 
Number of semi-conductor outputs with signaling function0
Number of outputs with signaling function that already have a contact1
 
LED switching conditions display
 
LED switching conditions display (Y/N)No
 
ATEX
 
Explosion protection categories for gasesNone
Explosion protected category for dustsNone
 
Dimensions
 
Dimensions of the sensor
- Width of sensor119.5 mm
- Height of sensor140 mm
- Length of sensor43.3 mm
 
notice
 
Contact symbols shown for the closed condition of the guard device.
The contact configuration for versions with or without LED is identical.
Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.
Contact S21-S22 must be integrated in the safety circuit
 
Included in delivery
 
Actuators must be ordered separately.
 
Diagram
 


Note Diagram
  positive break NC contact
  active
  no active
  Normally-open contact
  Normally-closed contact

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal
The data and values have been checked throroughly. Technical modifications and errors excepted.
Generiert am 18.06.2019 - 00:43:42h Kasbase 3.3.0.F.64I